power: regulator: Add limits checking while setting voltage

Currently the specific set ops functions are directly
called without any check for voltage limits for a regulator.
Check for them and proceed.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Fixed checking of voltate limits:
Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c
index d64400981fa9a4a9ff144d3415cbad4a8c4dc0b2..e48d2132889cfabf02b25f06d2227db5171f12bb 100644 (file)
--- a/drivers/power/regulator/regulator-uclass.c
+++ b/drivers/power/regulator/regulator-uclass.c
@@ -41,6 +41,13 @@ int regulator_get_value(struct udevice *dev)
 int regulator_set_value(struct udevice *dev, int uV)
 {
        const struct dm_regulator_ops *ops = dev_get_driver_ops(dev);
+       struct dm_regulator_uclass_platdata *uc_pdata;
+
+       uc_pdata = dev_get_uclass_platdata(dev);
+       if (uc_pdata->min_uV != -ENODATA && uV < uc_pdata->min_uV)
+               return -EINVAL;
+       if (uc_pdata->max_uV != -ENODATA && uV > uc_pdata->max_uV)
+               return -EINVAL;
 
        if (!ops || !ops->set_value)
                return -ENOSYS;